cc: Route offscreen context creation for compositor to the browser.

cc/thread_proxy.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_THREAD_PROXY_H_
 #define CC_THREAD_PROXY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "cc/animation_events.h"
 #include "cc/completion_event.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/proxy.h"
 #include "cc/resource_update_controller.h"
 #include "cc/scheduler.h"
 
+namespace ui {
+class ContextProvider;
+}
+
 namespace cc {
 
 class InputHandler;
 class LayerTreeHost;
 class ResourceUpdateQueue;
 class Scheduler;
 class ScopedThreadProxy;
 class Thread;
 
 class ThreadProxy : public Proxy, LayerTreeHostImplClient, SchedulerClient, ResourceUpdateControllerClient {
@@ skipping 88 matching lines @@
         CompletionEvent completion;
         bool success;
         void* pixels;
         gfx::Rect rect;
     };
     struct CommitPendingRequest {
         CompletionEvent completion;
         bool commitPending;
     };
     void forceBeginFrameOnImplThread(CompletionEvent*);
-    void beginFrameCompleteOnImplThread(CompletionEvent*, ResourceUpdateQueue*);
+    void beginFrameCompleteOnImplThread(CompletionEvent*, ResourceUpdateQueue*, scoped_refptr<ui::ContextProvider> offscreenContextProvider);
     void beginFrameAbortedOnImplThread();
     void requestReadbackOnImplThread(ReadbackRequest*);
     void requestStartPageScaleAnimationOnImplThread(gfx::Vector2d targetOffset, bool useAnchor, float scale, base::TimeDelta duration);
     void finishAllRenderingOnImplThread(CompletionEvent*);
     void initializeImplOnImplThread(CompletionEvent*, InputHandler*);
     void setSurfaceReadyOnImplThread();
     void setVisibleOnImplThread(CompletionEvent*, bool);
     void initializeOutputSurfaceOnImplThread(scoped_ptr<OutputSurface>);
     void initializeRendererOnImplThread(CompletionEvent*, bool* initializeSucceeded, RendererCapabilities*);
     void layerTreeHostClosedOnImplThread(CompletionEvent*);
     void manageTilesOnImplThread();
     void setFullRootLayerDamageOnImplThread();
     void acquireLayerTexturesForMainThreadOnImplThread(CompletionEvent*);
-    void recreateOutputSurfaceOnImplThread(CompletionEvent*, scoped_ptr<OutputSurface>, bool* recreateSucceeded, RendererCapabilities*);
+    void recreateOutputSurfaceOnImplThread(CompletionEvent*, scoped_ptr<OutputSurface>, scoped_refptr<ui::ContextProvider> offscreenContextProvider, bool* recreateSucceeded, RendererCapabilities*);
     void renderingStatsOnImplThread(CompletionEvent*, RenderingStats*);
     ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapInternal(bool forcedDraw);
     void forceSerializeOnSwapBuffersOnImplThread(CompletionEvent*);
     void setNeedsForcedCommitOnImplThread();
     void checkOutputSurfaceStatusOnImplThread();
     void commitPendingOnImplThreadForTesting(CommitPendingRequest* request);
     void capturePictureOnImplThread(CompletionEvent*, skia::RefPtr<SkPicture>*);
     void asValueOnImplThread(CompletionEvent*, base::DictionaryValue*) const;
     void renewTreePriorityOnImplThread();
     void didSwapUseIncompleteTileOnImplThread();
 
     // Accessed on main thread only.
     bool m_animateRequested; // Set only when setNeedsAnimate is called.
     bool m_commitRequested; // Set only when setNeedsCommit is called.
     bool m_commitRequestSentToImplThread; // Set by setNeedsCommit and setNeedsAnimate.
+    bool m_createdOffscreenContextProvider; // Set by beginFrame.
     base::CancelableClosure m_outputSurfaceRecreationCallback;
     LayerTreeHost* m_layerTreeHost;
     bool m_rendererInitialized;
     RendererCapabilities m_RendererCapabilitiesMainThreadCopy;
     bool m_started;
     bool m_texturesAcquired;
     bool m_inCompositeAndReadback;
     bool m_manageTilesPending;
     // Weak pointer to use when posting tasks to the impl thread.
     base::WeakPtr<ThreadProxy> m_implThreadWeakPtr;
@@ skipping 43 matching lines @@
     bool m_deferCommits;
     scoped_ptr<BeginFrameAndCommitState> m_pendingDeferredCommit;
 
     base::TimeTicks m_smoothnessTakesPriorityExpirationTime;
     bool m_renewTreePriorityOnImplThreadPending;
 };
 
 }  // namespace cc
 
 #endif  // CC_THREAD_PROXY_H_